4
- 3
2WAY SYSTEM
Outdoor Unit Maintenance Remote Controller
4
2. Functions
n
Functions on the ordinary display
(1) Functions: Button operations can be used to perform the following functions.
• Start/stop of all indoor units
• Switching between cooling and heating
• Test run of all indoor units
• Double-speed operation of indoor units (Do not use for actual operation. Doing so may damage the devices.)
(2) Display: The following can be displayed.
• Alarm details display
• No. of indoor/outdoor units
• Unit Nos. of connected indoor/outdoor units
• Indoor/outdoor unit operating status (blinks when an alarm occurs)
• Indoor unit thermostat ON
• Display of individual outdoor unit alarms
• Total operating time of outdoor unit compressors
• Oil level of the outdoor unit oil sensor
• Total outdoor unit power ON time
• Outdoor unit microcomputer version, other information
n
Temperature monitor
• Displays the indoor/outdoor unit sensor temperatures.
n
Outdoor unit alarm history monitor
• Displays the outdoor unit alarm history.
n
Mode settings
•
Setting mode 1 and setting mode 2 are used to make the outdoor EEPROM setting.
SM830204-05_2WAY SYS.indb 3
2015/01/23 11:56:55
Summary of Contents for U-20ME1E81
Page 54: ... MEMO 1 46 ...
Page 102: ... MEMO 3 36 ...
Page 116: ... MEMO 4 14 ...
Page 177: ...201502 ...